Spurs are now inside the bottom three of the Premier League with six games to play.
Van de Ven told Sky Sports: “Every manager has their own opinion of the game and Roberto wants us to play out more from the back.
“That's what he asked. He wants us to play with confidence and that is what we need to build but we don't have a long time left. We need to do it now.
“You don't want to look at the other results and just need to win.
“You can't say you don't look at the other team. Six games left to get as many points as possible. There is pressure now as we are in the relegation zone but we need to make sure we get out of this situation.”
The Dutchman added: “I don't even think we played a bad game today, we created some opportunities to score and they didn't create much.
“That is the moment we are in, everything doesn't fall on our sides. At the final whistle, it's really tough.
“Mentally, it's tough. We have been suffering for the last few months when we don't get wins in the Premier League and keep struggling.
“We need to get the confidence back. It's really tough, we need to make sure we find this back.”